When the nurse assesses an inverted T wave on the ECG of a patient who is 2 days post–acute MI, the nurse interprets this as ____ of the myocardium
1. irritability.
2. regenerations.
3. tissue death.
4. bleeding.
3
The inverted T wave is an indicator that there has been tissue death in part of the cardiac wall. It now has no ability to conduct or to contract and sends that message to the ECG via the inverted T. The tissue will take 6 weeks to regenerate.
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A hospital patient is complaining of nausea and vomiting that has failed to respond to first-line antiemetics. Which of the following medications may be administered for the treatment of nausea and vomiting?
A) First-generation antihistamine agent: chlorpheniramine (Chlor-Trimeton) B) First-generation antihistamine agent: hydroxyzine (Vistaril) C) Second-generation antihistamine agent: loratadine (Claritin) D) Second-generation antihistamine agent: cetirizine (Zyrtec)
At 1 minute after birth, the nurse assesses the newborn to assign an Apgar score. The apical heart rate is 110 beats/minute, and the infant is crying vigorously with the limbs flexed. The infant's trunk is pink, but the hands and feet are blue
The Apgar score for this infant is: a. 7. b. 8. c. 9. d. 10.
The nurse is caring for a client with a diagnosis of lymphedema. Which body component does the nurse recognize as making up the peripheral lymphoid organs? Select all that apply.
A) Bone marrow B) Tonsils C) Lymph nodes D) Thymus E) Spleen
Ricin is one of the newest chemicals used as a nerve agent. Which of the following are potential medical uses for ricin?
a. to prevent certain cancer cells and in bone marrow transplants b. to kill cancer cells and in bone marrow transplants c. in bone marrow transplants and to prevent certain cancer cells d. to kill cancer cells and in renal transplants